Mounting mask of a front piece for an instrument container for conditioning and refrigerating units



FIG. 1 is a perspective view of a mounting mask of a front piece for an instrument container for conditioning and refrigerating units;

FIG. 2 is a front view of the mask of FIG. 1;

FIG. 3 is a rear view of the mask of FIG. 1;

FIG. 4 is a top view of the mask of FIG. 1;

FIG. 5 is a bottom view of the mask of FIG. 1;

FIG. 6 is a first side view of the mask of FIG. 1; and,

FIG. 7 is a second side view of the mask of FIG. 1. 

The ornamental design for a mounting mask of a front piece for an instrument container for conditioning and refrigerating units, as shown. 